DART Controls 250G Series, Инструкция по эксплуатации

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6
The trimpot adjustments, MIN, MAX, IR COMP, and CUR LIM are checked at the factory using a typical motor at 240 VAC input.
Use the
TRIMPOT SETTING CHART on page 7 to preset the trimpots for the proper setting for your application. The remaining
trimpot - ACCEL, is a variable acceleration and should be set for your particular application.
The trimpot chart is approximate. The chart is valid when using the speedpot or a 0-10/12 VDC input signal to set speed.
These adjustments are permanent; periodic readjustment is normally not needed. Operation of the control beyond ±10% of normal
line voltage could result in readjustments.
ADJUSTMENTS
WARNING: ALL POWER MUST BE TURNED OFF BEFORE PROCEEDING !!!
1. Recheck all wiring. Accidental grounds, loose or pinched wires on armature or speedpot wires may damage the control
when power is applied.
2. Check to see that incoming service is of correct voltage.
3. Turn speedpot to zero (fully CCW).
4. Turn power on and advance speedpot while observing motor.
WARNING: POWER MUST BE OFF BEFORE STEP 5 CAN BE ACCOMPLISHED!
5. If motor rotation is incorrect, turn power off at external disconnect and rARM and -ARM connections.
6. Check for satisfactory operation throughout the speed range.
7. If operation is satisfactory, no readjustments are needed.
8. If instability or surging is observed, or maximum speed is higher than desired, see section “TRIMPOT ADJUSTMENT”.
9. For other problems, consult section “IN CASE OF DIFFICULTY”.
START-UP PROCEDURE
Warning: Do not attempt to perform a Hi-Pot test across AC lines with control in circuit.
This will result in immediate or long term damage to the control.
INSIDE OF COVER
SPEEDPOT
DPST SWITCH
(black)
Endplate with holes for 1/2" NPT conduit
-11 -9 -8 -4 -5 -6 -7 -1 -2 -3
P2
Inhibit
Pin
P1
P
ot Lo
Wiper P
ot Hi
P1_6
P1_7
AC
AC
motor
armature
ac input
field* chassis
ground
Switched A
C
Switched A
C
Min Max Accel
IR
Comp
Cur.
Lim.
LO (orange)
HI (white)
WIPER (red)
(white)
-10
-Ar
m
+Ar
m
(brown)
(yellow)
(purple)
(gray)
(blue)
(red)
-1 -2
P3
250G SERIES -29 HOOK-UP DIAGRAM
In the 250G enclosure kit (250GCK29) you will find 2 endplates,
a cover assembly (containing speedpot, DPST switch, gasket
and wiring), and 8 screws. Install both endplates using (4) #5
screws, and the cover assembly, using (4) #6 screws. Before
screwing down cover assembly, route wiring through conduit
holes in endplate by terminal strip.
* Used for shunt wound motors only! No connection is made to
these terminals when using permanent magnet motors.